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Posted by Jerim on 08/14/07 21:38
On Aug 14, 3:39 pm, burgermeiste...@gmail.com wrote:
> On Aug 14, 3:18 pm, Jerim <wyo...@gmail.com> wrote:
>
>
>
> > I have a script on one server, trying to access the MySQL database on
> > another server. The server with the script is on an outside network,
> > hosted with another company. The MySQL server is here in the
> > office;behind a firewall. Script works fine when it is on the local
> > machine, but when I moved it to the offsite webserver it gives me:
>
> > Warning: mysql_connect() [function.mysql-connect]: Lost connection to
> > MySQL server during query in /directory/directory2/functions/
> > shared_data_connections.php on line 29
> > Unable to connect to database.
>
> > The script is:
>
> > $username = "user";
> > $password = "password";
> > $hostname = "ip_address";
> > $database = "database";
>
> > $connection = mysql_connect($hostname, $username, $password)
> > or die ("Unable to connect to database.");
> > $open = mysql_select_db($database, $connection)
> > or die ("Unable to select database.".mysql_error());
> > return $connection;
>
> > One obvious problem could be the firewall. But since making any
> > adjustments to the firewall is frowned upon around here, I want to
> > cover some other bases first. Want to get some evidence that it
> > probably isn't something else. Any other ideas? I am very certain that
> > the user/pass are correct and that is the correct IP address. I have
> > also made certain that the user has access from any host.
>
> My immediate thought, and this is more of a shot in the dark than
> anything, but are you specifying the correct port number. It wouldn't
> be an issue if you were on a local machine, but if you are connecting
> to a remote host they might have MySQL running on a different port,
> not to mention the SSH connection. If that doesn't help, I googled
> this article which may be helpful:
>
> http://blog.taragana.com/index.php/archive/mysql-tip-mysql-server-has...
>
> Good luck!
I also found that when you setup MySQL, you can set it up to use
either TCP connections or shared memory. In this case, it is using
shared memory, so no TCP connection would ever work. I have found a
solution that works. Basically, I have an include file on the MySQL
server, that is used by the webpage on the remote server. All the SQL
code is in the include, which is local to the MySQL database.
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